package com.example.string;

import java.util.HashMap;
import java.util.List;
import java.util.Map;

/**
 * @author susi
 * @date 2022/6/28
 */
public class Demo {
    public static void main(String[] args) {
        Map<Integer, List<String>> map=new HashMap<>();


        System.out.println(map.get(0));
    }
}
